Add MTProxy, MASQUE, VPN, Link parser. Update AmneziaWG. Remove Tunneling

parser/parser.go

@@ -0,0 +1,31 @@
+package parser
+
+import (
+	"context"
+
+	"github.com/sagernet/sing-box/option"
+	"github.com/sagernet/sing-box/parser/clash"
+	"github.com/sagernet/sing-box/parser/raw"
+	"github.com/sagernet/sing-box/parser/singbox"
+	"github.com/sagernet/sing-box/parser/sip008"
+	E "github.com/sagernet/sing/common/exceptions"
+)
+
+var subscriptionParsers = []func(ctx context.Context, content string) ([]option.Outbound, error){
+	singbox.ParseBoxSubscription,
+	clash.ParseClashSubscription,
+	sip008.ParseSIP008Subscription,
+	raw.ParseRawSubscription,
+}
+
+func ParseSubscription(ctx context.Context, content string) ([]option.Outbound, error) {
+	var pErr error
+	for _, parser := range subscriptionParsers {
+		servers, err := parser(ctx, content)
+		if len(servers) > 0 {
+			return servers, nil
+		}
+		pErr = E.Errors(pErr, err)
+	}
+	return nil, E.Cause(pErr, "no servers found")
+}